The purpose of the study is to understand the relationship between the personal traits and recreational sports preferences among senior high school teachers in Taichung, Changhua, and Nantou areas. This estionnaire survey is based on purposive sampling. A total of 465 copies were distributed and 409 completed. The recovery rate of the questionnaire was 87.95%. In this research, descriptive statistics, item analysis, factor analysis, t-test, one- way ANOVA, Scheffé post comparison, Pearson product-moment correlation were used to analyze the data. Major conclusions as follows: 1. The personalities of most senior high school teachers belong to the type of agreeableness; they are the least sensitiveness. Therefore, they would like to join the outdoor activities most. 2. The personal traits vary greatly depending on genders, ages, school sizes, education, marital status, etc. 3. The selections of getting involved in different type of recreational sports also change remarkably depending on genders, ages, education, marital status, etc. 4. The personal traits and the participation of recreational sports are significant correlation.